- H -

Heading Error: A basic output from guidance to a flight director, indicating the difference between actual heading and desired heading.

Heading Select: A basic guidance mode, providing lateral guidance to an operator selected heading.

High Season: The season of the year when travel to an area peaks and rates are at their highest.

Hover Hold: A basic guidance mode, providing lateral guidance and longitudinal guidance to maintain an operator selected north velocity and east velocity; if the selected velocities are zero, then a position is held.

Hysteresis: A function in which the algorithm for computing output changes at defined events or thresholds, such that output follows one path as input increases and another path as input decreases.

Hearing: A proceeding usually without a jury.